Protection of integrated circuits from electric discharge

Details Protection of integrated circuits from electric discharge Protection of integrated circuits from electric discharge

1987-02-17

1988-04-19

Clawson, Jr., Joseph E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

357 20, 357 2313, 357 40, 357 89, 361 56, 361 91, H01L 2990

Patent

active

047393785

ABSTRACT:
Described is an integrated semiconductor structure for the protection from electrical discharges of electrostatic origin of particularly sensitive components of an integrated circuit. The structure is almost entirely formed directly underneath a particular input pad thus requiring a minimum useful area and is characterized by very high damaging voltage and speed of intervention because of the extremely low series resistance of the two zener junctions constituting the structure.

REFERENCES:
patent: 4405933 (1983-09-01), Avery
patent: 4451839 (1984-05-01), Nelson
patent: 4631562 (1986-12-01), Avery
patent: 4651178 (1987-03-01), Avery

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